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5-Bit Programmable 2-, 3-, 4-Phase Synchronous Buck Controller ADP3166*
FEATURES Selectable 2-, 3- or 4-Phase Operation at up to 1 MHz per Phase Differential Sensing Error ± 1% over Temperature Logic-Level PWM Outputs for Interface to External High Power Drivers Active Current Balancing between All Output Phases Built-in Power Good Blanking Supports On-the-Fly VID Code Changes 5-Bit Digitally Programmable 0.8 V to 1.55 V Output Short-Circuit Protection with Programmable Latch-Off Delay Overvoltage Protection Crowbar Logic Output APPLICATIONS Desktop PC Power Supplies Next-Generation AMD Processors VRM Modules GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM
VCC 28 RAMPADJ RT 14 13
ADP3166
EN 11 UVLO SHUTDOWN AND BIAS OSCILLATOR + GND 19 CROWBAR 6 CSREF 2.
ADP3166 Datasheet
